EP3384466A4 - Quasi-parametric optical flow estimation - Google Patents

Quasi-parametric optical flow estimation Download PDF

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Publication number
EP3384466A4
EP3384466A4 EP16871722.1A EP16871722A EP3384466A4 EP 3384466 A4 EP3384466 A4 EP 3384466A4 EP 16871722 A EP16871722 A EP 16871722A EP 3384466 A4 EP3384466 A4 EP 3384466A4
Authority
EP
European Patent Office
Prior art keywords
quasi
optical flow
flow estimation
parametric optical
parametric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16871722.1A
Other languages
German (de)
French (fr)
Other versions
EP3384466B1 (en
EP3384466A1 (en
Inventor
Hrushikesh Tukaram GARUD
Manu Mathew
Soyeb Noormohammed NAGORI
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Texas Instruments Inc
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Texas Instruments Inc
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Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Priority claimed from PCT/US2016/064982 external-priority patent/WO2017096384A1/en
Publication of EP3384466A1 publication Critical patent/EP3384466A1/en
Publication of EP3384466A4 publication Critical patent/EP3384466A4/en
Application granted granted Critical
Publication of EP3384466B1 publication Critical patent/EP3384466B1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/207—Analysis of motion for motion estimation over a hierarchy of resolutions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/223—Analysis of motion using block-matching
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/223—Analysis of motion using block-matching
    • G06T7/238—Analysis of motion using block-matching using non-full search, e.g. three-step search
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/269—Analysis of motion using gradient-based methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/40—Scenes; Scene-specific elements in video content
    • G06V20/48—Matching video sequences
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G06T2207/20032—Median filtering

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Image Analysis (AREA)
  • Geometry (AREA)
  • Television Systems (AREA)
EP16871722.1A 2015-12-04 2016-12-05 Quasi-parametric optical flow estimation Active EP3384466B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN6508CH2015 2015-12-04
US15/081,118 US10268901B2 (en) 2015-12-04 2016-03-25 Quasi-parametric optical flow estimation
PCT/US2016/064982 WO2017096384A1 (en) 2015-12-04 2016-12-05 Quasi-parametric optical flow estimation

Publications (3)

Publication Number Publication Date
EP3384466A1 EP3384466A1 (en) 2018-10-10
EP3384466A4 true EP3384466A4 (en) 2018-12-05
EP3384466B1 EP3384466B1 (en) 2020-09-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16871722.1A Active EP3384466B1 (en) 2015-12-04 2016-12-05 Quasi-parametric optical flow estimation

Country Status (4)

Country Link
US (2) US10268901B2 (en)
EP (1) EP3384466B1 (en)
JP (1) JP7004314B2 (en)
CN (2) CN113873258B (en)

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JP7307192B2 (en) * 2019-04-02 2023-07-11 北京字節跳動網絡技術有限公司 Derivation of motion vectors on the decoder side
CN113767634B (en) * 2019-05-07 2023-06-09 北京字节跳动网络技术有限公司 Unified computing method using refined inter-frame prediction
US11430134B2 (en) * 2019-09-03 2022-08-30 Nvidia Corporation Hardware-based optical flow acceleration
US11176682B2 (en) * 2019-11-27 2021-11-16 Nvidia Corporation Enhanced optical flow estimation using a varied scan order
US11694341B2 (en) 2019-12-23 2023-07-04 Texas Instmments Incorporated Cascaded architecture for disparity and motion prediction with block matching and convolutional neural network (CNN)
CN113538525B (en) * 2021-05-28 2023-12-05 北京旷视科技有限公司 Optical flow estimation method, model training method and corresponding device
US12548204B2 (en) * 2021-06-03 2026-02-10 Intel Corporation Neural frame extrapolation rendering mechanism
CN113379808B (en) * 2021-06-21 2022-08-12 昆明理工大学 A method for multi-band solar image registration
CN114363703B (en) * 2022-01-04 2024-01-23 上海哔哩哔哩科技有限公司 Video processing method, device and system
US20240193791A1 (en) * 2022-12-13 2024-06-13 Meta Platforms Technologies, Llc Techniques for accelerating optical flow computations
WO2026007010A1 (en) * 2024-07-02 2026-01-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. System and method for unified reference picture synthesis
CN119854521B (en) * 2024-12-30 2025-10-28 上海富瀚微电子股份有限公司 Motion vector estimation method, system and readable storage medium
CN121280302B (en) * 2025-12-10 2026-02-27 苏州一际智能科技有限公司 Low-light image enhancement method and apparatus

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Also Published As

Publication number Publication date
EP3384466B1 (en) 2020-09-16
CN113873258B (en) 2025-04-08
JP2019504394A (en) 2019-02-14
CN108352074B (en) 2021-11-26
US11341750B2 (en) 2022-05-24
JP7004314B2 (en) 2022-01-21
CN108352074A (en) 2018-07-31
US20190244036A1 (en) 2019-08-08
CN113873258A (en) 2021-12-31
US20170161565A1 (en) 2017-06-08
US10268901B2 (en) 2019-04-23
EP3384466A1 (en) 2018-10-10

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